General description
A hyper acid-labile resin for the Fmoc SPPS of protected peptide amides via mild 1% TFA cleavage [1,2]. The resin can be readily reductively alkylated to provide a support suited to the synthesis of secondary carboxamides [3].This resin has also been employed to produce protected peptide fragments in which the C-terminal carboxylic acid group is blocked as a hydroxymethylphenoxy-β-alaninamide ester [4] .

Associated Protocols and Technical Articles
Protocols for Loading of Peptide Synthesis Resins

Application
Determining the Hydrophobicity Index of Protected Amino Acids and Common Protecting Groups: Discusses the synthesis of peptide sequences using Sieber Amide resin for its acid-labile properties. (Gavva et al., 2023).
Smart biomaterials: Surfaces functionalized with proteolytically stable osteoblast-adhesive peptides: Utilizes Sieber Amide resin for surface functionalization techniques in biomaterials. (Zamuner et al., 2017).
A 99mTc-tricine-HYNIC-labeled peptide targeting the melanocortin-1 receptor for melanoma imaging: Describes the use of Sieber Amide resin in the synthesis of radiolabeled peptides for diagnostic imaging. (Shamshirian et al., 2016).

Linkage
Replaces: 01-64-0059

Analysis Note
Color (visual): white to light yellow to beige
Appearance of substance (visual): beads
Loading (Photometric determination of the Fmoc-chromophore liberated upon treatment with DBU/DMF): 0.40 – 0.80 mmol/g
Swelling Volume (in DMF): lot specific result
Swelling Volume (in CH₂Cl₂): lot specific result
Total swelling volume acc. Houben Weyl (in CH2Cl2): ≥ 5.2 ml/g
Total swelling volume acc. Houben Weyl (in DMF): ≥ 5.2 ml/g
The polymer matrix is copoly (styrene – 1% DVB) 100 -200 mesh

Legal Information
Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany

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